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Shinichi Yamamoto
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Takahama, JP
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last 30 patents
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Patent Grant
Method for producing extrusion die for forming a honeycomb structure
Patent number
4,640,454
Issue date
Feb 3, 1987
Nippon Soken, Inc.
Shinichi Yamamoto
B28 - WORKING CEMENT, CLAY, OR STONE
Information
Patent Grant
Extrusion die for extruding a honeycomb structure
Patent number
4,384,841
Issue date
May 24, 1983
Nippon Soken, Inc.
Shinichi Yamamoto
B28 - WORKING CEMENT, CLAY, OR STONE
Information
Patent Grant
Extrusion die for forming a honeycomb structure
Patent number
4,381,912
Issue date
May 3, 1983
Nippon Soken, Inc.
Shinichi Yamamoto
B28 - WORKING CEMENT, CLAY, OR STONE
Information
Patent Grant
Extrusion die and method for producing extrusion die for forming a...
Patent number
4,373,895
Issue date
Feb 15, 1983
Nippon Soken, Inc.
Shinichi Yamamoto
B28 - WORKING CEMENT, CLAY, OR STONE
Information
Patent Grant
Extrusion device for producing honeycomb structures
Patent number
4,368,025
Issue date
Jan 11, 1983
Nippon Soken, Inc.
Junichiro Naito
B28 - WORKING CEMENT, CLAY, OR STONE
Information
Patent Grant
Extrusion device for forming a honeycomb structure
Patent number
4,362,495
Issue date
Dec 7, 1982
Nippon Soken, Inc.
Junichiro Naito
B28 - WORKING CEMENT, CLAY, OR STONE
Information
Patent Grant
Extrusion die and method for producing extrusion die for forming a...
Patent number
4,354,820
Issue date
Oct 19, 1982
Nippon Soken, Inc.
Shinichi Yamamoto
B28 - WORKING CEMENT, CLAY, OR STONE
Information
Patent Grant
Extrusion device for producing honeycomb structures
Patent number
4,349,329
Issue date
Sep 14, 1982
Nippon Soken, Inc.
Junichiro Naito
B28 - WORKING CEMENT, CLAY, OR STONE
Information
Patent Grant
Ceramic honeycomb structure
Patent number
4,233,351
Issue date
Nov 11, 1980
Nippon Soken, Inc.
Kazunari Okumura
F28 - HEAT EXCHANGE IN GENERAL